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R-01316568 Software Development Engineer in Test

Thermo Fisher Scientific Tijuana, Baja California

onsitefull-time
Posted Nov 14, 2025

Role & seniority: Software Development Engineer in Test (SDET), mid-level (≈3 years of relevant experience)

Stack/tools: Java/Python/JavaScript; OO/design patterns; automated test frameworks (Rest Assured, Karate, Playwright or similar); CI/CD (GitHub Actions or equivalent); cloud platforms (AWS, Azure, GCP); containers/Kubernetes

Top 3 responsibilities

  • Build, develop, and maintain automated test scripts and frameworks to ensure software quality and functionality

  • Define and execute automation strategies; maintain cloud resources; drive continuous automation of feature testing with measurable goals

  • Participate in and guide Scrum ceremonies; communicate technical details and methodologies to teammates; collaborate to ensure consistent implementation

Must-have skills

  • 3+ years programming experience in one of Java, Python, or JavaScript; strong OO principles, design patterns, data structures

  • Proven automation testing experience with frameworks (Rest Assured, Karate, Playwright, etc.)

  • Experience with CI/CD (GitHub Actions or similar); cloud familiarity (AWS/Azure/GCP); knowledge of Kubernetes/containerization

  • Understanding of Non-Functional Requirements (security, performance, cost)

  • Bachelor’s degree in CS/Engineering or equivalent experience

Nice-to-haves

  • Master’s degree or additional programming languages

  • Experience across multiple cloud providers or advanced NFR optimization

  • Strong written/oral communication and proactive

Full Description

Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description What will you do? The Software Development Engineer in Test combines software development and testing skills. In this role, you will be responsible for building, developing, and maintaining automated test scripts and frameworks to ensure the quality and functionality of software applications. How will you make an impact? Ability to plan, participate in, guide, and complete technical assignments independently Active participation in scrum ceremonies including daily standups, story grooming, sprint planning, and sprint reviews Excellent written and oral communication skills Ability to make informed decisions about automation strategies and the maintenance of cloud resources. Communicate technical details and standard methodologies to other specialists to ensure consistent implementation and management Proactive approach with a focus on identifying ways to continuously automate feature testing and establish measurable goals How will you get here? Education: Bachelor’s degree in computer science or engineering with proven experience or equivalent experience OR Master’s or equivalent experience in computer science or engineering with consistent track record Experience: 3 years of experience with at least one programming language (e.g., Java, Python, or JavaScript) Strong understanding of object-oriented principles, design patterns, and data structures Proficiency in automation frameworks such as Rest Assured, Karate, Playwright, or similar Experience developing and completing automated test scripts Familiarity with CI/CD frameworks such as GitHub Actions, or similar Experience with cloud platforms such as AWS, Azure, or GCP Knowledge of containerization and deployment on Kubernetes Understanding of Non-Functional Requirements (NFR) including Security, Performance, and Cost Benefits We offer competitive remuneration, annual incentive plan bonus, healthcare, and a range of employee benefits. Thermo Fisher Scientific offers employment with an innovative, forward-thinking organization, and outstanding career and development prospects. We offer an exciting company culture that stands for integrity, intensity, involvement, and innovation! Learn from colleagues why joining our diverse team of 100,000+ is rewarding! Apply today! http://jobs.thermofisher.com Thermo Fisher Scientific is an EEO/Affirmative Action Employer and does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, or any other legally protected status. Thank you for your interest as you consider starting a new career journey with us. As the world leader in serving science, our colleagues develop critical solutions through innovation—and build rewarding careers. Discover their extraordinary stories and connection to our Mission to enable our customers to make the world healthier, cleaner and safer. Their work is a story of purpose. What story will you tell? Thermo Fisher Scientific Inc. is the world leader in serving science, with annual revenue of more than $40 billion. Our Mission is to enable our customers to make the world healthier, cleaner and safer. Whether our customers are accelerating life sciences research, solving complex analytical challenges, increasing productivity in their laboratories, improving patient health through diagnostics or the development and manufacture of life-changing therapies, we are here to support them. Our global team delivers an unrivaled combination of innovative technologies, purchasing convenience and pharmaceutical services through our industry-leading brands, including Thermo Scientific, Applied Biosystems, Invitrogen, Fisher Scientific, Unity Lab Services, Patheon and PPD. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation. Thermo Fisher Scientific is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, creed, religion, color, national or ethnic origin, citizenship, sex, sexual orientation, gender identity and expression, genetic information, veteran status, age or disability status.

Software DevelopmentTestingAutomationJavaPythonJavaScriptObject-Oriented PrinciplesDesign PatternsData StructuresAutomation FrameworksCI/CDCloud PlatformsContainerizationKubernetesNon-Functional Requirementsmulti-location

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